The US central bank is resorting to a tool of last resort in its battle to fight the economic crisis: printing money more than $1 trillion.Al Jazeera's Nick Spicer explains how this move could affect the economy.

We speak with two experts about the process of migrant workers sending money back home.

Brazil's world famous Carnival has kicked off, with Rio De Janeiro hosting the first street parties.But the scenes of dancers in glittering costumes winding their way through Rio, masks huge business interests.Gabriel Elizondo follows the money trail.

After years of conflict in Afghanistan, hard cash is the only currency most Afghans will trust.Al Jazeera reporter Owen Fay looks at money-changing in Kabul and the difficulties the official Kabul Bank is facing in competing with the black market.

At least $250mn has been spent on the US elections for both the Democrat and Republican parties.Al Jazeera's Rosiland Jordan in Denver explains why watchdog groups in the US argue that too much money is corrupting the way a president is chosen.